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    • 2. 发明申请
    • On-chip structure for electrostatic discharge (ESD) protection
    • 用于静电放电(ESD)保护的片上结构
    • US20050151160A1
    • 2005-07-14
    • US11032154
    • 2005-01-11
    • Javier SalcedoJuin LiouJoseph BernierDonald Whitney
    • Javier SalcedoJuin LiouJoseph BernierDonald Whitney
    • H01L27/02H01L29/72
    • H01L27/0262H01L29/7436
    • A complementary SCR-based structure enables a tunable holding voltage for robust and versatile ESD protection. The structure are n-channel high-holding-voltage low-voltage-trigger silicon controller rectifier (N-HHLVTSCR) device and p-channel high-holding-voltage low-voltage-trigger silicon controller rectifier (P-HHLVTSCR) device. The regions of the N-HHLVTSCR and P-HHLVTSCR devices are formed during normal processing steps in a CMOS or BICMOS process. The spacing and dimensions of the doped regions of N-HHLVTSCR and P-HHLVTSCR devices are used to produce the desired characteristics. The tunable HHLVTSCRs makes possible the use of this protection circuit in a broad range of ESD applications including protecting integrated circuits where the I/O signal swing can be either within the range of the bias of the internal circuit or below/above the range of the bias of the internal circuit.
    • 互补的基于SCR的结构使得可调谐的保持电压具有稳健和通用的ESD保护。 结构是n沟道高保持电压低压触发硅控整流器(N-HHLVTSCR)器件和p沟道高保持电压低压触发硅控整流器(P-HHLVTSCR)器件。 N-HHLVTSCR和P-HHLVTSCR器件的区域在CMOS或BICMOS工艺的正常处理步骤期间形成。 使用N-HHLVTSCR和P-HHLVTSCR器件的掺杂区域的间距和尺寸来产生所需的特性。 可调谐的HHLVTSCR可以在广泛的ESD应用中使用该保护电路,包括保护集成电路,其中I / O信号摆幅可以在内部电路的偏置范围内或低于/高于 内部电路的偏置。
    • 3. 发明授权
    • Apparatus for interfacing circuit domains
    • 用于连接电路域的装置
    • US08456217B2
    • 2013-06-04
    • US13196196
    • 2011-08-02
    • Stephan GoldsteinJavier Salcedo
    • Stephan GoldsteinJavier Salcedo
    • H03L5/00
    • H03K19/017509
    • An interface circuit for controlling a cross-domain signal link between a first circuit domain and a second circuit domain in a circuit may include first and second controllers, each of the first and second controllers including a first input coupled to a first voltage source of the first circuit domain and a second input coupled to a second voltage source of the second circuit domain. The interface circuit may further include a first switch controlled by an output of the first controller, the first switch including a first end coupled to the cross-domain signal link and a second end coupled to a first defined voltage state, and a second switch controlled by an output of the second controller, the second switch including a first end coupled to the cross-domain signal link and a second end coupled to a second defined voltage state, in which during a power-up of the circuit, if one of the first and second voltage sources is unavailable, at least one of the first and second controllers generates a control signal to engage at least one of the first and second switches and pull the cross-domain signal link to one of the first and second defined voltage states, while providing cross-domain protection against field-induced charge device model (FICDM) stress conditions at small drivers and receiver inputs connected to the signal interface link.
    • 用于控制电路中第一电路域和第二电路域之间的跨域信号链路的接口电路可以包括第一和第二控制器,第一和第二控制器中的每一个包括耦合到第一电压源的第一电压源的第一输入端 第一电路域和耦合到第二电路域的第二电压源的第二输入。 接口电路还可以包括由第一控制器的输出控制的第一开关,第一开关包括耦合到跨域信号链路的第一端和耦合到第一限定电压状态的第二端,以及第二开关控制 通过第二控制器的输出,第二开关包括耦合到跨域信号链路的第一端和耦合到第二限定电压状态的第二端,其中在电路的加电期间,如果其中一个 第一和第二电压源不可用,第一和第二控制器中的至少一个控制器产生控制信号以接合第一和第二开关中的至少一个,并将跨域信号链路拉至第一和第二限定电压状态之一 ,同时在连接到信号接口链路的小型驱动器和接收器输入端提供针对场感应充电器件模型(FICDM)应力条件的跨域保护。
    • 7. 发明申请
    • ON-CHIP STRUCTURE FOR ELECTROSTATIC DISCHARGE (ESD) PROTECTION
    • 静电放电(ESD)保护的芯片结构
    • US20080012044A1
    • 2008-01-17
    • US11691018
    • 2007-03-26
    • Javier SALCEDOJuin LiouJoseph BernierDonald Whitney
    • Javier SALCEDOJuin LiouJoseph BernierDonald Whitney
    • H01L29/72H01L29/74
    • H01L27/0262H01L29/7436
    • A complementary SCR-based structure enables a tunable holding voltage for robust and versatile ESD protection. The structureare n-channel high-holding-voltage low-voltage -trigger silicon controller rectifier (N-HHLVTSCR) device and p-channel high-holding-voltage low-voltage -trigger silicon controller rectifier (P-HHLVTSCR) device. The regions of the N-HHLVTSCR and P-HHLVTSCR devices are formed during normal processing steps in a CMOS or BICMOS process. The spacing and dimensions of the doped regions of N-HHLVTSCR and P-HHLVTSCR devices are used to produce the desired characteristics. The tunable HHLVTSCRs makes possible the use of this protection circuit in a broad range of ESD applications including protecting integrated circuits where the I/O signal swing can be either within the range of the bias of the internal circuit or below/above the range of the bias of the internal circuit.
    • 互补的基于SCR的结构使得可调谐的保持电压具有稳健和通用的ESD保护。 结构为n沟道高压保护电压低电压触发器硅控整流器(N-HHLVTSCR)器件和p沟道高保持电压低电压触发器硅控整流器(P-HHLVTSCR)器件。 N-HHLVTSCR和P-HHLVTSCR器件的区域在CMOS或BICMOS工艺的正常处理步骤期间形成。 使用N-HHLVTSCR和P-HHLVTSCR器件的掺杂区域的间距和尺寸来产生所需的特性。 可调谐的HHLVTSCR可以在广泛的ESD应用中使用该保护电路,包括保护集成电路,其中I / O信号摆幅可以在内部电路的偏置范围内或低于/高于 内部电路的偏置。
    • 9. 发明申请
    • APPARATUS FOR INTERFACING CIRCUIT DOMAINS
    • 用于连接电路域的装置
    • US20130033299A1
    • 2013-02-07
    • US13196196
    • 2011-08-02
    • Stephan GoldsteinJavier Salcedo
    • Stephan GoldsteinJavier Salcedo
    • H03L5/00
    • H03K19/017509
    • An interface circuit for controlling a cross-domain signal link between a first circuit domain and a second circuit domain in a circuit may include first and second controllers, each of the first and second controllers including a first input coupled to a first voltage source of the first circuit domain and a second input coupled to a second voltage source of the second circuit domain. The interface circuit may further include a first switch controlled by an output of the first controller, the first switch including a first end coupled to the cross-domain signal link and a second end coupled to a first defined voltage state, and a second switch controlled by an output of the second controller, the second switch including a first end coupled to the cross-domain signal link and a second end coupled to a second defined voltage state, in which during a power-up of the circuit, if one of the first and second voltage sources is unavailable, at least one of the first and second controllers generates a control signal to engage at least one of the first and second switches and pull the cross-domain signal link to one of the first and second defined voltage states, while providing cross-domain protection against field-induced charge device model (FICDM) stress conditions at small drivers and receiver inputs connected to the signal interface link.
    • 用于控制电路中的第一电路域和第二电路域之间的跨域信号链路的接口电路可以包括第一和第二控制器,第一和第二控制器中的每一个包括耦合到第一电压源的第一电压源的第一输入端 第一电路域和耦合到第二电路域的第二电压源的第二输入。 接口电路还可以包括由第一控制器的输出控制的第一开关,第一开关包括耦合到跨域信号链路的第一端和耦合到第一限定电压状态的第二端,以及第二开关控制 通过第二控制器的输出,第二开关包括耦合到跨域信号链路的第一端和耦合到第二限定电压状态的第二端,其中在电路的加电期间,如果其中一个 第一和第二电压源不可用,第一和第二控制器中的至少一个控制器产生控制信号以接合第一和第二开关中的至少一个,并将跨域信号链路拉至第一和第二限定电压状态之一 ,同时在连接到信号接口链路的小型驱动器和接收器输入端提供针对场感应充电器件模型(FICDM)应力条件的跨域保护。